子宮内避妊器具 しきゅうないひにんきぐ Meanings Noun intrauterine device; IUD Kanji 子 child. Read as シ. 宮 palace. Read as キュウ. 内 inside. Read as ナイ. 避 avoid 妊 pregnant. Read as ニン. 器 device 具 tool. Read as グ. Jinuma: Japanese Dictionary · Word lists